PhoneLifespan

Spark 40 Pro+ vs Redmi Note 15 Pro 5G

vs

Winner

Xiaomi Redmi Note 15 Pro 5G

Lifespan decides this one: the Redmi Note 15 Pro 5G is supported until Jan 2030 at $7.45 per month of safe use, while the Spark 40 Pro+ runs out in Jul 2028 ($11.76/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Spark 40 Pro+ 63 · Redmi Note 15 Pro 5G 73 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Tecno Spark 40 Pro+ $290
Buy with care$11.76/mo
2025◆ Buy-by Jul 20262028
2026◆ Buy-by Jan 20282030

Category by category

Display
Spark 40 Pro+ 80Redmi Note 15 Pro 5G 70

The Spark 40 Pro+'s screen is the better one — 6.78-inch curved amoled, 1.5k, 144hz, up to 4500 nits peak, under-display fingerprint.

Performance
Spark 40 Pro+ 55Redmi Note 15 Pro 5G 62

The Redmi Note 15 Pro 5G's MediaTek Dimensity 7400-Ultra (4nm) is simply the faster chip.

Camera
Spark 40 Pro+ 55Redmi Note 15 Pro 5G 72

The Redmi Note 15 Pro 5G has the stronger camera system (2 real rear lenses vs 1).

Battery
Spark 40 Pro+ 84Redmi Note 15 Pro 5G 100

6,580mAh vs 5,200mAh — the Redmi Note 15 Pro 5G lasts longer between charges.

Software longevity
Spark 40 Pro+ 29Redmi Note 15 Pro 5G 51

The Redmi Note 15 Pro 5G is supported until Jan 2030 — 18 months longer than the Spark 40 Pro+.

Value
Spark 40 Pro+ 63Redmi Note 15 Pro 5G 73

Overall value goes to the Redmi Note 15 Pro 5G at $7.45 per month of safe use.

Full spec table
SpecSpark 40 Pro+Redmi Note 15 Pro 5G
Price (street)$290$320
Display6.78-inch curved AMOLED, 1.5K, 144Hz, up to 4500 nits peak, under-display fingerprint6.83-inch AMOLED, 1.5K, 120Hz, 12-bit, Dolby Vision/HDR10+
ChipsetMediaTek Helio G200MediaTek Dimensity 7400-Ultra (4nm)
RAM8GB8GB/12GB
Storage128GB/256GB256GB/512GB
Battery5,200 mAh6,580 mAh
Charging45W wired, 30W wireless, 5W reverse wireless45W wired, 22.5W reverse wired
Rear cameras50MP main, 2MP depth200MP main, 8MP ultra-wide
Dimensions163.9 × 75.8 × 6.5 mm163.6 × 78.1 × 8.0 mm
Weight160 g210 g
Water resistanceIP64IP68/IP69
Supported untilJul 2028Jan 2030

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.